1133 results about "Desertification" patented technology

The invention discloses an organic rice cultivation method, which comprises the following four steps of: 1) rice seedling raising, 2) fertilizer application; 3) reasonable close planting and 4) field management. The organic rice cultivation method is characterized in that the step of fertilizer application comprises the following two sub-steps of: 1) preparing and applying composted farmyard manure: evenly spraying microbial manure into farmyard manure, covering the farmyard manure with a plastic film, processing for 21 days to obtain the composted farmyard manure and then applying the composted farmyard manure in a paddy field; and 2) applying microbial manure: applying the microbial manure in the paddy field with water depth being less than 3cm and transplanting rice seedlings 15 days later after the microbial manure is applied. The organic rice cultivation method has the advantages that the heavy-metal ions and the chemical residues thereof in soil can be eliminated; the caking and the desertification of the soil can be gradually eliminated, the content of organic matters is improved, the pH (potential of hydrogen) is regulated, the granular structure is optimized and the breeding of harmful pathogenic bacteria is inhibited; the nutrients are sufficient; and a large quantity of nitrogen elements in air and various intrinsic elements in the soil are fully utilized, and low-carbon, environmental-friendly, sustainable, circular and high-efficiency agricultural economy is formed.

The invention discloses a wind prevention and sand fixation greening planting technology with good sand control effect. The wind prevention and sand fixation greening planting technology mainly comprises the following steps of: firstly arranging a plurality of strip sand-protecting barriers in a traveling dune zone; then mix-seeding herbaceous plant seeds in open grounds among the strip sand-protecting barriers, and planting shrub seedlings at the positions where the strip sand-protecting barriers are located; and finally fertilizing among the strip sand-protecting barriers and inside the strip sand-protecting barriers. According to the wind prevention and sand fixation greening planting technology, normal germination growth of most herbaceous plant seeds and shrub seedlings can be ensured without planting by multiple times; moreover, the growth period of herbaceous plants is relatively short, so that grass capable of sand fixation can be formed in a short time to further ensure normal growth of shrub seedlings; a grass and shrub forest can be formed in a relatively short time, two to three years in general, through the combination of the sand fixation of sand-protecting barriers with grass and shrub plants so as to achieve the effects of wind prevention and sand fixation; and the desertification of land can be effectively prevented. The technology is suitable for popularization and application in the technical field of sand control.

The invention discloses a method for inter-planting forage grass in orchards at a karst rock desertification region, in particular a method for inter-planting leguminous forage grass and gramineous forage grass below fruit trees in the orchards, wherein the mixing weight ratio of the leguminous forage grass to the gramineous forage grass is (5-7):(3-5), and the seeding rate is 1.5-2.0 kg/mu. According to the method, the leguminous forage grass and the gramineous forage grass are selected and sowed in a mixed way according to the characteristics of high yield and low crude protein content of the gramineous forage grass and high crude protein content of the leguminous forage grass, so that the yield and the quality of the forage grass are improved, and the palatability of the forage grass and the absorption of livestock to the nutrients of the forage grass are enhanced; by performing mixed sowing on the leguminous forage grass and the gramineous forage grass according to a weight ratio of (5-7):(3-5) under fruit trees, the coverage ratio of land vegetation of the orchards is increased and water and soil loss is greatly reduced; and meanwhile, the soil fertility of the orchards can also be increased, the environment of the orchards is improved, the productivity of land is improved, and the aims of increasing the yield of fruit trees and the yield of the forage grass are fulfilled.

The invention relates to a high rate composting method and equipment thereof. The method comprises the following steps: sending organic solid waste to separation equipment for separation and recycling; making the waste into grains and sending the grains into a materialized pretreatment groove; adding a wetting agent, a bond dissociation agent and water beyond saturation state of materials; after stirring, sending the mixture into a high speed stable kettle for heating and pressurizing; maintaining the material in the reaction kettle at liquid and solid state; adding an oxidizer and a heavy metal remover; after reducing pressure to reduce pressure in a vessel, sending the mixture to a high speed activation kettle; adding a softening agent and an activation agent for an activation reaction under the condition of increasing temperature and pressure; and carrying out steam instant explosion operation by leading material to a product finery and controlling humidity, granularity and nutriment in a fertilizer within a range as required. By the method, the organic waste can be transferred to high quality compost in an hour and hydroscopic property, moisture retaining quality, adsorptivityof N, P, K and trace elements needed by plants, ventilation property, thermal insulation, flood-resistance and desertification resistance can be improved greatly, bacterium and parasites can be killed completely, poisonous organic compound can be decomposed and excess heavy metal in material can be stabilized or removed.

The invention discloses a production method and application of sandy land conditioner made from bentonite. The production method and application include the steps of firstly, purifying and modifying bentonite, and adding special additive to produce sandy land conditioner; secondly, manually or mechanically evenly scattering the sandy land conditioner to sandy soil surface of leveled sandy land, dry farmland or arid farmland; thirdly, using a rotary tiller to perform rotary tillage so as to evenly mix the sandy land conditioner and the sand soil inside topsoil; and fourthly, fully irrigating with water to enable the sandy land conditioner to absorb water and turn adhesive so that the sandy land conditioner is well combined with the sand soil to form soil aggregates, thereby achieving water saving, water holding, fertilizer holding, wind proofing and sand stabilization and increasing yield of planted crops. The sandy soil conditioner is mainly used for modifying sand soil, dry farmlands and arid farmlands, and can also be used for modification of saline-alkali soil, impoverished soil, yellow mud soil and easily caking soil, desertification control and various sand stabilizing projects. The sandy land conditioner is more effective in application to rice planting.

The invention relates to a plant cultivating substrate as well as a preparation method and application of the plant cultivating substrate. The plant cultivating substrate is prepared by taking polyaspartic acid water-absorbent resin as a binder, mixing sand and water, moulding and drying, is preferably a truncated cone with a longitudinal through hole formed at an axis, and can be matched with a plant cultivating medium containing polyaspartic acid fertilizer and a polyaspartic acid water-absorbent resin aquasorb for plant seed preservation and seedling cultivation. The plant cultivating substrate can effectively absorb and retain moisture, can supply moisture and nutritional elements which are necessary to plant growth in an uninterrupted way, so that a greening effect can be achieved and the balance of a local ecological environment and species is not destroyed; therefore, the plant cultivating substrate is particularly applicable to afforestation, barren hill greening and desertification control in arid areas.

The invention discloses a method for biological improvement of sand degraded soil. The method adopts the soil restoration preparation compounded by humic acid and microbial agent, which is covered and applied to the degraded sandy soil where licorice is planted after the beginning of spring and before the arrival of summer, and is managed in the field for 1 to 2 years. The invention can rapidly increase the organic matter content of the soil, increase the types and quantities of microorganisms in the soil, thereby improving the ecological environment of the soil, and achieving the purpose of improving sand degraded soil.

The invention discloses a plant cultivation method combining seedling nursing, mechanical transplanting and seedling protection. The plant cultivation method comprises the following steps of (1) seedling nursing through protective barrels: nursing seedlings through the degradable protective barrels; (2) mechanical transplanting and protection of plant seedlings: transplanting the plant seedlings and the protective barrels together through a mechanical device. By means of the plant cultivation method, the rate of survival of plants in desert regions is increased greatly, quality of nursery stocks is improved, standardization of the nursery stocks is achieved, safety transportation of the nursery stocks is guaranteed, planting efficiency is increased, and cost is reduced. Therefore, plant cultivation method combining seedling nursing, mechanical transplanting and seedling protection is an efficient path for desertification control and industrialization accomplishment, and the optical scheme for desertification control and industrialization accomplishment in the future.

The invention discloses an intercropping method suitable for a desert area. The intercropping method suitable for the desert area comprises the steps that desert plants are selected, protective barrels are manufactured, seedlings are grown in the protective barrels, and seedlings are transplanted. According to the intercropping method suitable for the desert area, when a large scale of sacsaoul plant forests are restored and established in the dessert area and a semi-desert area, the problems that the benefit is not high due to the fact that only sacsaoul plants are planted, the survival rate of intercropped plants is low under the condition that irrigation is not available are solved, a technical system that reasonable intercropping between the sacsaoul plants and economic plants is achieved in the desert area under the condition that irrigation is not available is established, organic unification of the ecological benefits, the economical benefits and the social benefits during desertification control is achieved, the application prospect is quite good, and the intercropping method is an optimal scheme for desertification control and industrialization achievement in the future.

The invention discloses a composite soilless ground substrate grass blanket and a planting method thereof, relating to lawn. The invention solves the problems that the cultivation of soil grass blankets destroys cultivated lands, quickens soil desertification and damages ecological environment. For the composite soilless ground substrate grass blanket, lawn grass is planted on a soilless ground substrate layer, a non-woven fabric is arranged below the soilless ground substrate layer, and the non-woven fabric covers a film layer, wherein the soilless ground substrate layer is a mixture of sawdust, vinegar residue, straw residue, an organic fertilizer and a biological starter, and the mass percent of water in the mixture is 55-65%. The planting method comprises the following steps of: finishing a bed, laying a film, laying the non-woven fabric and laying a soilless ground substrate successively; then, sowing glass seeds to culture; and finally transplanting the grass seeds out of gardens. The composite soilless ground substrate grass blanket can be arbitrarily cut and freely moved, has light texture and is applicable to the ecological management of different environments such as barren, droughts and the like. The planting method is simple and easy to popularize, and the composite soilless ground substrate grass blanket is easy to transport.

A method for rebuilding and maintaining vegetation ecosystem and pasture production system in semiarid wind sand area relates to the technical fields, such as agricultural water and soil conversation, prevention and control of desertification, pasture cultivation and ecological environment etc, wherein perennial pasture with properties of drought resistance, nitrogen fixing, cold resistance and saline alkali resistance is adopted to combine with a multifunctional ecological film compound fertilizer functioned to bond and fix sand, absorb dampness and infiltrate water, conserve water and soil, fertilize sand and nourish sprout, preserve heat and promote growth. The technical scheme is that: selecting in April or May in spring, on the basis of flat sandy land, after seed soaking, planting the perennial pasture plants, such as varied lobular clover, Astragalus adsurgens pall, sainfoin, vetch, Agropyron desertorum etc; then adopting a method of a spraying can or an agricultural tractor mating with a high pressure water pump; or burying a plastic pipe in the ground, one end of the plastic pipe being connected with a water pump of a large-scaled fertilizer film mixing tank and the other end thereof being connected with a spraying nozzle; spraying the multifunctional ecological film compound fertilizer by adding water in 50 to 60 times such that an ecological ground film with thickness about 2 mm is naturally formed on the surface of the earth; three processes of spraying water, applying fertilizer and laying film can be completed at the same time so as to synchronously build up an ecological vegetation and pasture production system.

The invention discloses regenerated green planting soil. The regenerated green planting soil comprises 10 to 20 mass percent of sludge, 70 to 85 mass percent of building waste soil, 10 mass percent of broken stone and 5 mass percent of grass carbon. The invention also discloses a production method of the regenerated green planting soil. The production method comprises the following steps of: sorting and crushing building garbage; mixing and stirring according to the mixing proportion; performing chemical examination; and placing the materials into bags. The regenerated green planting soil and the production method thereof have the advantages of solving the problem of environmental pollution, also remitting the problems of shortage of natural resources such as soil erosion, soil desertification, soil salinization and the like, accordance with the conventional environment-friendly subject, making soil become renewable energy and improving production and living environment of human beings due to recycling of the building garbage. No fermentation process occurs in the cultivation of regenerated green planting soil, so the aim of environment friendliness is fulfilled.

The invention relates to an automatic northern grassland desertification monitoring device. The automatic northern grassland desertification monitoring device comprises a support and a data acquiring and sending terminal. The bottom end of the support is fixedly installed under the earth's surface, a solar cell panel, a lead storage battery, a horizontal support rod and the data acquiring and sending terminal are installed on the support, and the data acquiring and sending terminal and the storage battery are placed in an airtight waterproof box. An overground air temperature and humidity sensor, an overground CO2 sensor and an air velocity sensor are installed on the horizontal support rod. A total radiation amount sensor, an earth's surface air temperature and humidity sensor, an earth's surface CO2 sensor, an evaporation amount sensor and a rainfall capacity sensor tightly adhere to the earth's surface. A soil moisture temperature sensor is buried under the ground, the sensors and the data acquiring and sending terminal are powered by the lead storage battery, and signal lines of the sensors are connected with the data acquiring and sending terminal through lead wires in the support. The automatic northern grassland desertification monitoring device has the advantages of being simple in structure, convenient to operate and capable of adapting to a working environment of a northern grassland and achieving real-time and long-term measurement work.

The invention discloses a stone side slope biological control method which comprises the following steps of (1) side slope status analysis and safety evaluation, (2) nursery stocks pre-cultivating, (3) bird nest type layout, (4) bionic nest building, (5) formula planting and (6) community forming. The stone side slope biological control method integrates the engineering mechanics, the ecology, the aesthetics, the biotechnology and other disciplines and fields, a stable and ecological three-dimensional side slope can be quickly formed, the landscape effect is good, the ecological benefit is lasting and stable, maintenance cost is low, maintenance difficulty is low, the slope fixing effect is obvious, a protection function is outstanding, and the method is used for side slope protection of roads, railways, dams and the like, and also can be used for ecological management of desertification and stony desertification.

The invention relates to an artificial alga field and a construction method thereof. A regular polygon grid structure formed by ropes is taken as a unit grid; a heavy stone stabilizing the structure is arranged on each side of the unit grid, and at the equal-distant location of each side inside the unit grid, a crossed rope or a polygon structure is connected with other sides; marine alga is planted on the ropes to form a unit alga field; and a great many of such unit alga fields are woven by ropes to achieve a large area of artificial alga field. The invention is capable to construct an artificial alga field rapidly at low cost; as a result, the desertification of sea area is alleviated, the marine environment is purified, and a place for fish, shrimp and cuttle fish to spawn, seek food and inhabit is established, and the fishery resources are protected and increased; in addition, the artificial alga field can also be used to breed marine alga, and as a result, the income of fishermen is increased.

The invention provides a method of planting mangoes on mountain lands. The method comprises the following steps of land planting, seedling selecting, field planting, film covering and planting management. The planting method adopts a humus soil layer to reduce alkalinity of stony desertification soil, and provides an acidic growth environment for mangoes growth; a base fertilizer layer can store water and contains fertilizers, and provides water and nutrient substance for the mangoes growth. On one hand, the influence of the stony desertification soil to the mangoes growth is avoided, on the other hand, the water and nutrient substance are provided for the mangoes growth, and accordingly the mangoes yield is improved. The fertilizers of different varieties and quantities are used for different periods, leaf fertilizers are sprinkled, and therefore the mangoes growth is facilitated, contents of microelements and selenium of fruits are increased, and taste and nutrient content of the mangoes are improved.

The invention discloses a process for producing an efficient bioorganic fertilizer by the resource utilization of dairy cow manure. The process comprises the following steps: taking the dairy cow manure as the raw material, taking straws, wormcast, seaweeds and the like as auxiliary materials and being prepared through a two-step fermentation process of a biological fermentation agent. The process has the benefits that the process has high resource utilization degree, is easy for large-scale industrial production, is favorable for realizing the resource utilization of dairy cow breeding wastes and solves the problem of dairy cow breeding environment pollution; a product has the effects of the bioorganic fertilizer and seaweed fertilizer and is rich in functional active components of seaweeds and a large number of probiotics, the balance of microorganisms in soil can be effectively regulated, organic matters, mineral substances or inorganic components in the soil are degraded, soil hardening, desertification, salinization and the like caused by perennial fertilizer abuse are eliminated, the soil is effectively improved, the crop productivity is improved, and the efficacies of improving the crop quality and improving the crop resistance are realized; in addition, the product has long action period and is an ideal fertilizer for developing environmentally friendly ecological agriculture.

The invention belongs to the agricultural product processing field and particularly relates to a cleaning system and a cleaning method of Hotan red dates. The cleaning system of the Hotan red dates comprises a multi-row rolling rod hoister, a soak air flow cleaning machine and a high-pressure spraying hairbrush cleaning machine; the soak air flow cleaning machine is arranged at the rear end of the multi-row rolling rod hoister; and the high-pressure spraying hairbrush cleaning machine is arranged at the rear end of the soak air flow cleaning machine. The cleaning method of the Hotan red dates has the advantages of solving the problem that a simple soak and spray painting method cannot satisfy a requirement of perfect slit remove due to the facts that Hotan possesses non-pollution alkalinity desertification soil which is best suitable for the growth of the Hotan red dates and abundant light and heat, excessive wind and sand in the four seasons enable the epidermis of the red dates to be contaminated by dust and silt, conventional commodity dates are usually processed by water soaking or spray washing to improve the appearance quality of the products; and being capable of recycling the cleaning water except the douching process, energy-saving and good in cleaning effect due to the facts that a three-stage cleaning method is utilized and warming and bubble technologies are added to the soak cleaning. The cleaning system of the Hotan red dates has the advantages of being simple in structure, low in construction cost and safe to use.

The invention discloses nutritional soil for plant cultivation of a karst landform. The nutritional soil is used for solving the problem that the existing soil of karst-landform regions is not conducive to plant growth. The nutritional soil disclosed by the invention comprises foreign soil, an organic fertilizer, acidic soil microflora, organism decomposition microflora, nitrogen fixation microflora, a pH buffering agent, bacterial cellulose, a curing agent and a soil water retention agent. The nutritional soil for the vegetation cultivation of the karst landform, disclosed by the invention, has the advantages that good growth soil can be provided for the vegetation of the karst landform, the problem of stony desertification of the karst-landform regions can be effectively solved, and virtuous cycle for ecosystems of the karst-landform regions is promoted.

The invention discloses a rapid sand-stabilization, growth-promotion, growth-protection and water-saving ecological restoration method for desertification regions. For arid and semi-arid areas, particularly areas where the annual precipitation rate is lower than 150 mm, the dryness is smaller than 0.05, the wind speed is larger than 10 m/s, the daily temperature difference is large and sandstorm flow is severe, chemical sand-stabilization materials based on hydrophilic polyurethane resin are integrated with temperature sensing type water-absorbent resin, and sand-stabilization plant growth layers are formed in sand surface layers. Loose sand grains are solidified quickly by the chemical sand-stabilization materials, the sand-stabilization plant growth layers are formed in the sand surface layers, and the temperature sensing type water-absorbent resin is embedded in the sand-stabilization plant growth layers, so that the water-retaining property, the environmental moisture self-regulation property, the utilization rate and the drought resistance of the sand-stabilization plant growth layers are improved greatly, growth promotion and growth protection effects of plants are improved, the survival rate and the growth amount of vegetation in arid environments are increased, and chemical sand stabilization and biological sand stabilization are better integrated. The method has the characteristics of low cost, simplicity in construction, rapidness and high efficiency and is applicable to the remote desertification regions.

The present invention discloses a road construction and desertification control system, which, under the control of a computer, utilizes solar energy to provide energy to a laser device, so that a focusing laser beam is produced to melt and sinter the surface of the desert. The system is mainly composed of a power supply system, the computer and a motor-driving system, a travelling mechanism and a laser scanning sintering mechanism. The power supply system converts the solar energy into electric energy for storage. The laser scanning sintering mechanism moves with the travelling mechanism driven by the stored electric energy to realize the continuous hardening of the surface of the desert or road construction, the needed energy almost totally comes from solar energy, fossil energies are not used, an electric power transmission line is not needed to be erected, and the invention is not affected by weather, the system can operate under all weather conditions. Under the control of the computer, according to the set procedure and in an unattended mode, the system can automatically fulfill operation in the desert region with harsh natural environment, so the labor power is saved. The travelling mechanism is simple, reliable and light, and the present invention is suitable for large-scale desert control or road construction.

The invention relates to a sand fixation method of a green degradable inorganic sand fixation material, belonging to the field of environmental protection. The inorganic sand fixation material is prepared by mixing calcium silicate slag, fly ash, industrial mineral slag powder, gypsum, cement and solid aggregate used as main raw materials. The sand fixation material and water are mixed to prepare a sand fixation slurry; and the sand fixation slurry is sprayed or spread on sand soil to form a solidifying layer on the sand soil surface. The solidifying layer can satisfy the mechanical property requirements for fixing traveling dunes. After the sand fixation layer is laid, the sand fixation region is subjected to soil improvement and plant growth, so that the sand fixation layer can be degraded into substances which are nontoxic and harmless to the environment within 1-5 years, thereby obtaining the soil components and lowering the influence of artificial buildings on the desert ecological environment. After the sand fixation material reacts with water, no toxic component resides, and thus, the sand fixation material has the advantages of high safety and no secondary pollution. Besides, abundant industrial solid wastes are doped to lower the influence of solid waste piling on the environment; and the method has the advantages of low cost, simple construction technique and high practicality, and is applicable to related fields of desertification control and the like.

The invention discloses desertification biological ameliorant. The Desertification biological ameliorant is prepared from, by weight, 1000-2000 parts of kieselguhr, 400-800 parts of starch-grafting sodium polyacrylate, 200-600 parts of coal cinder, 600-800 parts of moss, 100-400 parts of bamboo charcoal ash, 300-500 parts of coconut shell, 200-300 parts of tea residue, 150-250 parts of seaweed, 100-200 parts of silkworm excrement, 400-800 parts of animal dung, 300-600 parts of biogas residue and 10-50 parts of microbial inoculum. Kieselguhr, starch-grafting sodium polyacrylate, seaweed and other materials are combined with desertified soil to have the remarkable water retention function and prevent water and soil loss, nutrient components in the soil are retained to the maximum, and the material obtained after microbial inoculum fermentation contains enough beneficial bacteria and can provide an enough nutrient source for the desertified soil to improve soil structure and relieve desertification.

The invention discloses a production technology for preparing a soil improvement agent through resource utilization of sheep manure. According to the soil improvement agent, the sheep manure is used as a raw material and supplemented by straw, wormcast, seaweed and the like, the soil improvement agent is prepared through a three-step fermentation technology of a biological leavening agent, the technology is high in resource utilization degree, and large-scale industrial production is easy to achieve, which is beneficial for achieving resource utilization of sheep cultivation waste and solving the environment pollution problem existing in sheep cultivation at present. The soil improvement agent has the effects of microbial fertilizer, organic fertilizer and seaseed fertilizer, is rich in seaweed functional activity ingredients and a great number of probiotics, and can effectively adjust balance of microorganisms in soil, discompose organic or inorganic components such as organic matter and mineral matter in the soil, eliminate soil hardening, desertification, salinization and the like caused by perennial chemical fertilizer abuse, effectively improve the soil and increase the crop yield, and the soil improvement agent has the special effects of improving quality and the stress resistance of crops, has a long action period and is ideal fertilizer for developing green ecological agriculture.

The invention provides a method for herbaceous plants to cope with global climate change. The method comprises the steps of 1, with herbaceous plants being the main body, managing stony desertification and desertification, controlling coastal erosion and water and soil loss and preventing an earth ecological system from collapsing and breaking down; 2, planting the herbaceous plants in regions with the stony desertification, the desertification, the coastal erosion and the water and soil loss, fixing the surface soil layer, recovering or rebuilding vegetation and controlling emission of carbonin lithosphere to atmosphere and hydrosphere; 3, utilizing the characteristics that the fast-growing herbaceous plants are fast in growth and development, high in carbon capturing efficiency and hugein biomass, convert movable carbon in the atmosphere into fixed carbon, develop new climate economy, further promote the increase of the amount of the fixed carbon in the industries of agriculture, forestry, animal husbandry, side-line production and fishery and achieving a world zero carbon development mode. Ecological development is the best carbon emission reduction mode, and carbon dioxide isprecious wealth of the human. Respecting the nature, conforming to the nature, protecting the nature and guiding the nature solve the problem of ecology, environment, resources, economy and global climate warming.